How to Strikethrough Text in Discord (and Other Chat Apps)
Discord's Markdown shortcut, why it doesn't work everywhere, and what to use instead.
How to Strikethrough Text in Google Docs (Shortcut + Menu)
The keyboard shortcut, the Format menu path, and Slides/Sheets too.
How to Strikethrough Text in Excel (Shortcut, Formula & Filter)
Ctrl+5, Format Cells, checkbox-triggered strikethrough, and finding it later.
How to Strikethrough Text on Instagram, X (Twitter) & Facebook
None of them have a button — here's the one workaround that works on all three.
Strikethrough Text Keyboard Shortcuts for Word, Excel, Docs, Mac & Windows
Every app's shortcut in one table, plus what to do where none exists.